[WK2] Merge SecItemShimMethods files into SecItemShim
        https://bugs.webkit.org/show_bug.cgi?id=106278

        Reviewed by Anders Carlsson.

        Now that we have a SecItemShim class, there is no reason to split implementation
        into a separate file.

        * Shared/mac/SecItemShim.cpp:
        (WebKit::responseMap):
        (WebKit::generateSecItemRequestID):
        (WebKit::sendSecItemRequest):
        (WebKit::webSecItemCopyMatching):
        (WebKit::webSecItemAdd):
        (WebKit::webSecItemUpdate):
        (WebKit::webSecItemDelete):
        (WebKit::SecItemShim::secItemResponse):
        (WebKit::SecItemShim::install):
        * WebKit2.xcodeproj/project.pbxproj:
        * WebProcess/mac/SecItemShimMethods.h: Removed.
        * WebProcess/mac/SecItemShimMethods.mm: Removed.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139018 268f45cc-cd09-0410-ab3c-d52691b4dbfc
        [WK2] Delete more obsolete Keychain code
        https://bugs.webkit.org/show_bug.cgi?id=106276

        Reviewed by Sam Weinig.

        Deleting dead code.

        * Shared/mac/KeychainAttribute.cpp: Removed.
        * Shared/mac/KeychainAttribute.h: Removed.
        * WebKit2.xcodeproj/project.pbxproj:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139019 268f45cc-cd09-0410-ab3c-d52691b4dbfc